Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion... more
Product information "Dayton Audio ND90-4"
Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes.
An efficient, low-distortion Neo-Balanced motor is combined with a rigid yet lightweight aluminum diaphragm, yielding impressive high-impact audio reproduction. Perfect for single point-source speaker applications, or combined in multiples and line arrays.
Product Highlights
• Full-range 80 Hz to 15 kHz performance
• Rubber-edged aluminum alloy cone
• Large excursion capability4 mm Xmax, 20 mm peak
• Self-shielded Neo-Balanced motor structure
• 3/4" 4-layer underhung voice coil with polyimide former
• 20 watts RMS power handling
ND90-4 Specifications
Impedance 4 ohms
Re 3.6 ohms
Le 0.62 mH @ 1 kHz
Fs 90.2 Hz
Qms 5.10
Qes 0.72
Qts 0.63
Mms 4.3g
Cms 0.73 mm/N
Sd 31.2 cm²
Vd 12.5 cm³
BL 3.47 Tm
Vas 1.06 liters
Xmax 4.0 mm
VC Diameter 19 mm
SPL 85.7 dB @ 2.83V/1m
RMS Power Handling 20 watts
Usable Frequency Range (Hz) 80 - 15,000 Hz
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